People can have the Model T in any color – so long as it’s black.
Gold is the most useless thing in the world. I am not interested in money but in the things of which money is merely a symbol.
You can't learn in school what the world is going to do next year.
Success is a matter of adjusting one's efforts to obstacles and one's abilities to a service needed by others.
Time waste differs from material waste in that there can be no salvage.
Every depression is a challenge to every manufacturer to put more brains into his business.